Table 1.
Initial slopes β (in brackets 95% confidence interval) of the A-bomb survivors for age at exposure of 30 and attained age of 70 years and age modifying parameters γe and γa for different sites.
| Site | βEAR - Japan* | βEAR - UK* | γe | γa |
|---|---|---|---|---|
| All solid | 52 (43...60) | 74 (61...86) | -0.024 | 2.38 |
| Female breast | 9.2 (6.8...12) | 8.2 (6.1...11) | -0.037 | 1.7 |
| Lung | 7.5 (5.1...10) | 8.0 (5.5...11) | 0.002 | 4.23 |
| Rectum | 0.56 (-0.13...1.4) | 0.73 (-0.17...1.8) | -0.024 | 2.38 |
| Colon | 8.0 (4.4...12) | 7.4 (4.0...11.0) | -0.056 | 6.9 |
| Mouth and pharynx◇ | 0.56 (0.2...1.2) | 0.73 (0.3...1.6) | -0.024‡ | 2.38‡ |
| Esophagus | 0.58 (0.18...1.1) | 3.2 (1.0...6.1) | -0.002+ | 1.9+ |
| Stomach | 9.5 (6.1...14) | 5.2 (3.4...7.7) | -0.002 | 1.9 |
| Small Intestine† | 8.0 (4.4...12) | 10 (5.7...16) | -0.056 | 6.9 |
| Liver | 4.3 (0.0...7.2) | 2.4 (0.0...4.0) | -0.021 | 3.6 |
| Cervix | 0.56 (0.0...1.9) | 0.73 (0.0...2.5) | -0.024‡ | 2.38‡ |
| Bladder | 3.2 (1.1...5.4) | 3.8 (1.3...6.5) | -0.024‡ | 2.38‡ |
| Skin | 0.35 (0.03...1.1) | 0.46 (0.04...1.43) | -0.61 | 4.36 |
| Brain and CNS | 0.51 (0.17...0.95) | 0.70 (0.23...1.31) | -0.024‡ | 2.38‡ |
| Thyroid | 1.2 (0.5...2.2) | 0.40 (0.2...0.8) | -0.046 | 0.6 |
| Salivary Gland◇ | 0.56 (0.2...1.2) | 0.73 (0.26...1.6) | -0.024‡ | 2.38‡ |
| Bone | - | - | -0.013‡ | -0.56‡ |
| Soft tissue | - | - | -0.013‡ | -0.56‡ |
The values for the Japanese population (βEAR - Japan) were taken from the analysis of Preston et al. [1]. Risk was transferred to a Western population (βEAR - UK) by establishing a ERR-EAR weighting according to ICRP 103 [19].
*excess cases per 10'000 PY Gy, †initial slope from colon, ◇ initial slope from oral cavity, +age dependence from stomach, ‡age dependence from all solid